WH

Water Hardness in Columbia, MS

Mississippi · 1 zip codes · 7 matched water systems

13 PPM
0.8 GPG
Soft
0Soft60120180300+
Estimated — Nearby Data

Dataset updated March 9, 20267 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

Source context

How this city reading is built

This city reading is a weighted rollup across 7 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
7 estimated sources
This city reading needs local confirmation before equipment sizing or purchase decisions.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.

Water Systems in Columbia

These systems are matched to Columbia, MS. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

7 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
City Of Columbia
MS0460003
Soft
13 PPMgroundwater5,900 servedEstimated — Nearby Data
Hub Water Association
MS0460008
Soft
13 PPMgroundwater3,260 servedEstimated — Nearby Data
Bunker Hill Water Association
MS0460001
Soft
13 PPMgroundwater2,700 servedEstimated — Nearby Data
Mt Gilead-Improve Water Assn
MS0460012
Soft
13 PPMgroundwater2,416 servedEstimated — Nearby Data
Lampton Water Association
MS0460009
Soft
13 PPMgroundwater1,983 servedEstimated — Nearby Data
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Columbia, MS

What This Means For You

Recommendations are based on the displayed hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

Your Water Is Soft

Your water hardness is in the soft range. You likely don't need a water softener. Enjoy your naturally soft water!

Know your water hardness?

If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Columbia, MS.

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Frequently Asked Questions

How hard is the water in Columbia, MS?

The citywide weighted average water hardness in Columbia, MS is 13 PPM (0.8 GPG), classified as soft. This is based on 7 matched water systems.

Do I need a water softener in Columbia, MS?

At 13 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in Columbia, MS safe to drink?

Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.

How many water systems serve Columbia, MS?

Columbia, Mississippi is served by 7 matched water systems across 1 zip code.

Learn More About Your Water